Daily Practice

Foundation Plus

11th May 1991

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Probability Trees3 marks
A bag holds 8 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
2
Box Plots2 marks
A box plot has minimum 8, lower quartile 10, median 17, upper quartile 23 and maximum 30. Work out the interquartile range.
3
Indices1 mark
Write down the value of 8^1.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 50/x, work out y when x = 10, and write down the equation of its vertical asymptote.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 18. Work out y when x = 15.

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